In Jujutsu Kaisen, Sorcerer Families contain members who utilize jujutsu. For example, members of the Inumaki Family are known for their Cursed Speech technique. Sorcerer Families are highly regarded and have a prominent influence in the jujutsu world. That said, the Big Three Sorcerer Families in Jujutsu Kaisen are the Gojo, Kamo, and Zenin clans.
Source：https://www.cbr.com/jujutsu-kaisen-big-three-families-cursed-techniques-explained/
